Finding the Third Proportional to 111,667.50 and 245,448

Step by Step Solution

1. Step 1: Write the proportion equation
   111,667.50 : 245,448 = 245,448 : x
2. Step 2: Convert to fraction form
   111,667.50/245,448 = 245,448/x
3. Step 3: Cross multiply
   111,667.50x = 245,448 × 245,448
4. Step 4: Simplify right side
   111,667.50x = 60,244,720,704
5. Step 5: Solve for x
   x = 60,244,720,704/111,667.50
6. Step 6: Final answer
   x = 539,500.94